CVE Vulnerabilities

CVE-2021-42389

Divide By Zero

Published: Mar 14, 2022 | Modified: Mar 22, 2022
CVSS 3.x
6.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
4 MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

Divide-by-zero in Clickhouses Delta compression codec when parsing a malicious query. The first byte of the compressed buffer is used in a modulo operation without being checked for 0.

Weakness

The product divides a value by zero.

Affected Software

Name Vendor Start Version End Version
Clickhouse Yandex * 21.10.2.15 (excluding)

References